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$276+ Cheap flights from Trenton, NJ to San Francisco (TTN - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SFO
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
1 adult, Economy
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Cheap flight deals from Trenton to San Francisco

One-way flights from Trenton to San Francisco
Search for one-way flight options from Trenton to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:13 pm -
3 stops33h 32m
Deal found 8/15$276
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:18 pm -
2 stops28h 27m
Deal found 8/15$286
This KAYAK deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:19 pm -
2 stops18h 50m
Deal found 8/11$410
This KAYAK deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:19 pm -
2 stops19h 42m
Deal found 8/13$435
This KAYAK deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:19 pm -
2 stops18h 50m
Deal found 8/11$510
This KAYAK deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:19 pm -
2 stops18h 50m
Deal found 8/11$515
This KAYAK deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:19 pm -
2 stops18h 50m
Deal found 8/11$520
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/37:19 pm -
2 stops18h 50m
Deal found 8/11$550
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:19 pm -
2 stops18h 50m
Deal found 8/11$565
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:19 pm -
2 stops18h 50m
Deal found 8/11$1,095

Find flight deals from Trenton to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$536
Provider with most accurate pricing for Trenton-Mercer-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-San Francisco flights.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Trenton to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 8/30

12:13 pm-6:45 pm

3 stops33h 32m

$276

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 8/30

5:18 pm-6:45 pm

2 stops28h 27m

$286
Quickest one-way

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 10/4

7:19 pm-11:09 am

2 stops18h 50m

$410

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Wed 11/25

7:19 pm-12:01 pm

2 stops19h 42m

$435

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Thu 10/1

7:19 pm-11:09 am

2 stops18h 50m

$515

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 9/27

7:19 pm-11:09 am

2 stops18h 50m

$520

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 1/3

7:19 pm-11:09 am

2 stops18h 50m

$550

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Thu 12/17

7:19 pm-11:09 am

2 stops18h 50m

$565

TrentonSan Francisco

TTN Trenton-Mercer - SFO San Francisco

TTNSFO

Trenton-Mercer

Sun 11/29

7:19 pm-11:09 am

2 stops18h 50m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Sorted by cheapest first

Compare providers for flights from Trenton to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to San Francisco in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trenton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Trenton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated August 16, 2026.
Peruse reviews from past customers who have flown with American Airlines from Trenton to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,947 reviews

Food

6.4

Boarding

7.5

Entertainment

6.8

Comfort

7.2

Crew

7.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,947 reviews
American Airlines
7.1
Good
11,947 reviews

Food

6.4

Boarding

7.5

Entertainment

6.8

Comfort

7.2

Crew

7.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from Trenton to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Trenton to San Francisco that include hotel bookings?

    Yes. In addition to deals on Trenton to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to San Francisco.

  • Can I find deals for business class flights from Trenton to San Francisco?

    Yes. Cheapflights offers flight deals from Trenton to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Walnut Creek
San Bruno
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Manteca
Turlock
San Lorenzo

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Alternative routes for Trenton to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Trenton to San Francisco

Discover the top airline that operate flights from Trenton to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$428FlexibilityNo cancel feeOn-time71%

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